Home / 115,458.40-173,187.60-112,002.40

Finding the Fourth Proportional to 115,458.40, 173,187.60 and 112,002.40

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Solution

The fourth proportional to 115,458.40, 173,187.60 and 112,002.40 is: 168,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,458.40 : 173,187.60 = 112,002.40 : x
  2. Step 2: Convert to fraction form
    115,458.40/173,187.60 = 112,002.40/x
  3. Step 3: Cross multiply
    115,458.40x = 173,187.60 × 112,002.40
  4. Step 4: Simplify right side
    115,458.40x = 19,397,426,850.24
  5. Step 5: Solve for x
    x = 19,397,426,850.24/115,458.40
  6. Step 6: Final answer
    x = 168,003.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.